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Q.

Which of the following is a property of non-metals?

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a

Low melting points

b

Poor conductor of electricity

c

Low densities

d

All of the above

answer is D.

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Detailed Solution

Chemical Elements can be divided into three categories, in accordance with their physical and chemical properties. The three categories are Metals, Non-metals and Metalloids.

Properties of Non-metal:

  • Small atoms of non-metal are found when compared to metals.
  • Electrical conductivity and thermal are exhibited as very low.
  • Have low melting and boiling point at normal temperature as most of the non-metal are gases at room temperature.
  • Have electronegative and high ionization energy.
  • Electrons are attracted toward them as they have a strong tendency to attract.
  • Non-lutrous in nature.

Hence, the correct answer is option D.

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